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SF STILLAGUAMISH--AT JORDAN ROAD
   State:  Washington    County:  SNOHOMISH
   Latitude:  48 5' 43" North    Longitude:  121 58' 27" West
   Elevation:  195 feet
   Supporting WFO:  Seattle    
   Action Stage:  13.5'   Flood Stage:  14.5'   Moderate Flood Stage:  16'
   Major Flood Stage:  
17'

Forecasts are calculated from a forecast time series that approximates flow at a 6 hour time step interval. Observed instantaneous peaks can be higher than model forecast peaks.

SF STILLAGUAMISH--AT JORDAN ROAD   (SSFW1)
Forecasts for Water Year
2024
Ensemble Date: 2024-04-26
Forecast Period: April 26 to August 1
Exceedence
Probability
Stage
feet
Discharge
CFS
Probable
Date of Peak
95 % 9.21 5015 2024-04-26
90 % 9.21 5015 2024-04-26
70 % 9.21 5015 2024-04-26
50 % 9.21 5015 2024-04-26
30 % 9.21 5015 2024-04-26
10 % 9.65 5999 2024-06-04
05 % 10.12 7184 2024-07-08

Peakflow exceedence plot for SSFW1

 Click to download runoff traces used in forecast.  Click for comma delimited data used in plot.csv icon